1 //===- HexagonEmulation.cpp -----------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #include "Hexagon.h" 10 #include <mcld/LinkerScript.h> 11 #include <mcld/LinkerConfig.h> 12 #include <mcld/Target/ELFEmulation.h> 13 #include <mcld/Support/TargetRegistry.h> 14 15 namespace mcld { 16 MCLDEmulateHexagonELF(LinkerScript & pScript,LinkerConfig & pConfig)17static bool MCLDEmulateHexagonELF(LinkerScript& pScript, LinkerConfig& pConfig) 18 { 19 if (!MCLDEmulateELF(pScript, pConfig)) 20 return false; 21 22 // set up bitclass and endian 23 pConfig.targets().setEndian(TargetOptions::Little); 24 pConfig.targets().setBitClass(32); 25 26 // set up target-dependent constraints of attributes 27 pConfig.attribute().constraint().enableWholeArchive(); 28 pConfig.attribute().constraint().enableAsNeeded(); 29 pConfig.attribute().constraint().setSharedSystem(); 30 31 // set up the predefined attributes 32 pConfig.attribute().predefined().unsetWholeArchive(); 33 pConfig.attribute().predefined().unsetAsNeeded(); 34 pConfig.attribute().predefined().setDynamic(); 35 return true; 36 } 37 38 //===----------------------------------------------------------------------===// 39 // emulateHexagonLD - the help function to emulate Hexagon ld 40 //===----------------------------------------------------------------------===// emulateHexagonLD(LinkerScript & pScript,LinkerConfig & pConfig)41bool emulateHexagonLD(LinkerScript& pScript, LinkerConfig& pConfig) 42 { 43 if (pConfig.targets().triple().isOSDarwin()) { 44 assert(0 && "MachO linker has not supported yet"); 45 return false; 46 } 47 if (pConfig.targets().triple().isOSWindows()) { 48 assert(0 && "COFF linker has not supported yet"); 49 return false; 50 } 51 52 return MCLDEmulateHexagonELF(pScript, pConfig); 53 } 54 55 } // namespace of mcld 56 57 //===----------------------------------------------------------------------===// 58 // HexagonEmulation 59 //===----------------------------------------------------------------------===// MCLDInitializeHexagonEmulation()60extern "C" void MCLDInitializeHexagonEmulation() { 61 // Register the emulation 62 mcld::TargetRegistry::RegisterEmulation(mcld::TheHexagonTarget, 63 mcld::emulateHexagonLD); 64 } 65 66